LM317T - 1.2V to 37V Adjustable Voltage Regulator

Overview

The LM317T is a versatile, adjustable positive voltage regulator that has become a staple in electronics workbenches worldwide. It delivers a stable output voltage anywhere from 1.2V to 37V, with a maximum output current exceeding 1.5A. Whether you're a hobbyist, student, or professional engineer, this regulator offers a simple and reliable solution for your power supply needs.

Key Features

• Adjustable Output Voltage: Set from 1.2V to 37V using just two external resistors.
• High Output Current: Capable of delivering up to 1.5A (with adequate heatsinking).
• Built-in Protection: Includes current limiting, thermal overload protection, and safe operating area protection.
• Low Dropout Voltage: Typically 3V, ensuring efficient operation.
• Easy to Use: Requires minimal external components.
• TO-220 Package: Standard 3-pin package, easy to mount and heatsink.

Technical Specifications

• Output Voltage Range: 1.2V to 37V (adjustable)
• Output Current: 1.5A (max)
• Dropout Voltage: 3V (typical)
• Line Regulation: 0.01% typical
• Load Regulation: 0.1% typical
• Operating Temperature Range: 0°C to +125°C
• Package: TO-220 (3-pin)

Applications & Use Cases

• Variable Power Supplies: Build a bench power supply with adjustable voltage.
• Battery Chargers: Use as a constant voltage source for charging circuits.
• LED Drivers: Power LEDs with constant voltage or as part of a constant current source.
• Audio Circuits: Provide clean, regulated power for preamplifiers and other audio electronics.
• Robotics: Power microcontrollers and sensors with stable voltage.
• Educational Projects: Ideal for learning about voltage regulation in electronics courses.

What's Included

• 1x LM317T Adjustable Voltage Regulator (TO-220)

Compatibility

• Works with any circuit requiring a positive adjustable voltage supply.
• Commonly used with 3D printer control boards, Arduino, Raspberry Pi, and other microcontrollers.
• Requires two external resistors and a capacitor for typical operation (not included).

MOKWN Recommendation

For Egyptian makers and engineers, the LM317T is an essential component for any electronics project. Its reliability and ease of use make it perfect for prototyping and powering your creations. We recommend pairing it with a suitable heatsink for currents above 500mA. Buy the LM317T from MOKWN today and take your projects to the next level!